>> >>> Thor Lancelot Sim>>>> I would stay away from the 900Mhz phones for a few reasons. First,
>>>> the only multi-line phones available in 900Mhz are notoriously
>>>> unreliable. Second, eavesdropping on many 900Mhz phones, even modern
>>>> ones, is trivial.
>>> How does one eavesdrop on a Digital Spread Spectrum (DSS) 900MHz
>>> cordless phone? I would have thought that with the spreading code
>>> being changed every time the phone is put into the base, they would be
>>> essentially uncrackable, like CDMA cell phones.
>> The phone and the base station have to negotiate the spreading code
>> used for each session. If you can eavesdrop on that negotiation, you
>> _can_ predict the frequency hops, rendering it 'trivial' to track as a
>> third-party listener.
> Sure, except that the negotiation is typically performed by the base
> and handset via a wired connection OR at extremely low power (since it
> only happens when they're physically connected)
What happens if you turn the handset off, then back on, when it is _out_ of the base?